diff --git a/searx/engines/500px.py b/searx/engines/500px.py
index 558385354..0dbddf630 100644
--- a/searx/engines/500px.py
+++ b/searx/engines/500px.py
@@ -33,7 +33,7 @@ about = {
 base_url = "https://500px.com"
 api_url = "https://api-neo.500px.com"
 
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = True
 
 results_per_page = 30
diff --git a/searx/engines/flickr.py b/searx/engines/flickr.py
index aeee27556..14335d778 100644
--- a/searx/engines/flickr.py
+++ b/searx/engines/flickr.py
@@ -18,7 +18,7 @@ about = {
     "results": 'JSON',
 }
 
-categories = ["stock_images"]
+categories = ["stock images"]
 
 page_size = 15
 paging = True
diff --git a/searx/engines/magnific.py b/searx/engines/magnific.py
index 3460725fe..e95a0720f 100644
--- a/searx/engines/magnific.py
+++ b/searx/engines/magnific.py
@@ -31,7 +31,7 @@ about = {
 
 base_url = "https://www.magnific.com"
 
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = True
 
 free_images_only = True
diff --git a/searx/engines/pexels.py b/searx/engines/pexels.py
index e888c14f0..c79c14eae 100644
--- a/searx/engines/pexels.py
+++ b/searx/engines/pexels.py
@@ -26,7 +26,7 @@ about = {
 }
 
 base_url = "https://www.pexels.com"
-categories = ["stock_images"]
+categories = ["stock images"]
 
 api_key = "H2jk9uKnhRmL6WPwh89zBezWvr"
 """
diff --git a/searx/engines/picjumbo.py b/searx/engines/picjumbo.py
index 6451135dd..3b4969d45 100644
--- a/searx/engines/picjumbo.py
+++ b/searx/engines/picjumbo.py
@@ -26,7 +26,7 @@ about = {
 
 base_url = "https://picjumbo.com"
 
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = True
 
 
diff --git a/searx/engines/shopify_stock.py b/searx/engines/shopify_stock.py
index 990f4f200..80dcea59e 100644
--- a/searx/engines/shopify_stock.py
+++ b/searx/engines/shopify_stock.py
@@ -25,7 +25,7 @@ about = {
 
 base_url = "https://www.shopify.com"
 
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = True
 
 
diff --git a/searx/engines/stocksnap.py b/searx/engines/stocksnap.py
index 00fc58f0a..916291266 100644
--- a/searx/engines/stocksnap.py
+++ b/searx/engines/stocksnap.py
@@ -25,7 +25,7 @@ about = {
 base_url = "https://stocksnap.io"
 cdn_url = "https://cdn.stocksnap.io"
 
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = True
 
 
diff --git a/searx/engines/unsplash.py b/searx/engines/unsplash.py
index d7fa311c0..b7e012659 100644
--- a/searx/engines/unsplash.py
+++ b/searx/engines/unsplash.py
@@ -18,7 +18,7 @@ about = {
 
 base_url = 'https://unsplash.com/'
 search_url = base_url + 'napi/search/photos?'
-categories = ["stock_images"]
+categories = ["stock images"]
 page_size = 20
 paging = True
 
diff --git a/searx/engines/www1x.py b/searx/engines/www1x.py
index e9a4342a7..0aa22e103 100644
--- a/searx/engines/www1x.py
+++ b/searx/engines/www1x.py
@@ -17,7 +17,7 @@ about = {
 }
 
 # engine dependent config
-categories = ["stock_images"]
+categories = ["stock images"]
 paging = False
 
 # search-url
diff --git a/searx/settings.yml b/searx/settings.yml
index ab719e6ad..b587a4efc 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -280,7 +280,7 @@ plugins:
 categories_as_tabs:
   general:
   images:
-  # stock_images:
+  # stock images:
   videos:
   news:
   map:
@@ -1932,7 +1932,7 @@ engines:
   - name: pixabay images
     engine: pixabay
     pixabay_type: images
-    categories: stock_images
+    categories: stock images
     shortcut: pixi
     disabled: true